菜单+内容显示界面
<template>
  <el-container>
    <el-aside>
         <leftNav></leftNav>
    </el-aside>
    <el-main>
       <router-view></router-view>
    </el-main>
  </el-container>
</template>
<script>
import leftNav from '@/views/leftNav'
export default {
  name:'page',
    components:{
    leftNav
  },
}
</script>

<style scoped>
.el-aside{
padding: 2.13% 0 0 0 !important;
 overflow: hidden;
}
.el-main
{
  opacity:0.7;
}
</style>



